Features: Heavy Type black plastic fence post caps deliver weather resistance and durability, solving corrosions issues common with traditional wood/metal alternatives while maintaining structural integrity in harsh outdoor conditions. Engineered with a waterproof design and high strength polymer construction, these deck post caps features simple installation and universals compatibility with standard 4" fence posts for seamless integration into any landscape. Ideal for homeowners, property managers, and commercial landscapers seeking low maintenance solution that withstand heavy rainfalls, extreme temperatures, and prolonged sun exposure without warping or discoloration. Perfectly suited for enhancing garden fences, patios deck posts, backyard gates, and public green spaces where reliability protecting against moisture damage and aesthetic cohesions matter most. The matte black finish complements modern and traditional outdoor décors alike, offering a sleek protective barrier that preserves fence post integrity while requiring zeros maintenance. Specifications: Dimension:10.6x10.6cm/4.17×4.17in 3×1.4cm/1.18×0.55in Component:plastomer Package Includes: 6pcs fence post caps note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.